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Table 4 Parse failures

From: Benchmarking natural-language parsers for biological applications using dependency graphs

Parser Failures
Charniak-Lease 0
Charniak (Aug 05) 0
Stanford (unlexicalised) 0
Stanford (lexicalised) 0
Bikel (0.9.8) 1
Bikel (0.9.9c) 2
Collins (model 1) 12
Collins (model 2) 25
Collins (model 3) 40
  1. Number of sentences which completely failed to parse, out of a total of 1757 in the whole corpus.